<template>
  <div class="icons">
    <swiper :options="swiperOption">
        <swiper-slide v-for="(page,index) of pages" :key="index">
            <div class="icon" v-for="item of page" :key="item.id">
                <div class="icon-img">
                    <img
                    class="icon-img-content"
                    :src="item.imgUrl"
                    alt
                    />
                </div>
                <p class="icon-desc">{{item.desc}}</p>
            </div>
        </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  @import '~styles/mixins.styl'

  .icons >>> .swiper-container
    height : 0
    padding-bottom : 50%
  .icon
    position : relative
    overflow : hidden
    float : left
    width : 25%
    height : 0
    padding-bottom : 25%
    .icon-img
      position : absolute
      top : 0
      left : 0
      right : 0
      bottom : .44rem
      box-sizing : border-box
      padding : .1rem
      .icon-img-content
        display : block
        margin : 0 auto
        height : 100%
    .icon-desc
      position : absolute
      left : 0
      right : 0
      bottom : 0
      height : .44rem
      line-height : .44rem
      color : $darkTextColor
      text-align : center
      ellipsis()

</style>
